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Fabspeed Porsche 964 Turbo 965 / C2 Turbo Secondary Muffler Bypass Pipe (1990-1994)

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Fabspeed Porsche 964 Turbo 965 / C2 Turbo Secondary Muffler Bypass Pipe (1990-1994)


Replaces the factory Porsche C2 Turbo 965, 964 Turbo secondary OEM Porsche muffler for  much improved exhaust flow and drmatically increased gutsy sports car turbo sound.


Gutsy throaty Porsche CUP car sound with turbo 934 whitsling overtones.  Not too loud perfect for all around use. Great value.                                                                                                   


  • Fits all Porsche 911 C2 Turbo, 964 Turbo, 965 vehicles worldwide (1990-1994)

  • Porsche Motorsport AG originally designed this part and Fabspeed replicated it. 
  • Increase in power and throttle response throughout the RPM range.

  • Saves 25 lbs  11.4KG from the rear of the vehicle for much better transient handling and inertia. 

  • More aggressive exhaust tone that will make you smile for miles.

  • Exhaust goes through catalytic converter then through 2ndary muffler bypass pipe to Right rear exhaust tips. Its that simple and elegant. 

  • CAT-BACK emissions legal in all 50 states. 

  • Constructed from 14-16 gauge, T304L C.N.C. mandrel bent stainless steel

  • Direct replacement for the OEM Porsche secondary muffler. See Video explanation

  • Simple do it yourself installation in under 90 minutes.

  • Easy reversible for Concours. Easy On Easy Off. 

  • All Fabspeed performance products are backed by the Fabspeed Lifetime Warranty


Returns Policy

You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).

You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).

If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.


We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.

When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.

Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.